Sony Xperia S has a internal memory of 32 GB without the possibility of adding a microSD card, while the Samsung Galaxy SIII has 16/32/64 GB of internal storage with the possibility of adding a microSD card slot of up to 32 GB. It’s clear that the SIII has more storage capabilities.

Processing power:

Sony Xperia S features a 1.5 GHz dual core CPU with Adreno 220 GPU and 1 GB of RAM. The Samsung Galaxy SIII features a Quad-core 1.4 GHz Cortex-A9 CPU with MALI-400 GPU and the same amount of 1 GB of RAM. Still, quad core vs dual core is a easy battle for the SIII.

Camera:

Sony Xperia S features a 12 MP camera which is capable of capturing still pictures at a resolution of 4000×3000 pixels and capturing 1080p@ 30 FPS videos. It features Geo-tagging, touch focus, face and smile detection, 3D sweep panorama, image stabilization, continuous autofocus, video light, video stabilizer. It also has a secondary 1.3 MP camera which is capable of capturing 720p@30 FPS videos.

Samsung Galaxy SIII features a 8 MP camera which is capable of capturing still pictures at a resolution of 3264×2448 pixels and capturing 1080p videos @ 30 FPS. It features Simultaneous HD video and image recording, geo-tagging, touch focus, face and smile detection, image stabilization. It also has a secondary 1.9 MP camera which is capable of capturing 720p@30 FPS videos.

It’s clearly that Sony Xperia S has a much better camera than the SIII.

Screen:

Sony Xperia S has a 4.3 inches LED-backlit LCD capacitive touchscreen with a resolution of 720 x 1280 pixels with a pixel density of 342 pixels, while Samsung Galaxy SIII features a 4.8 inches Super AMOLED capacitive touchscreen with a resolution 720 x 1280 pixels with a pixel density of 306 ppi. Although it has a higher ppi, Xperia S’ screen is of a lower quality than the SIII’s.